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LOPE Notes week 2

by: Katelyn Rinella

LOPE Notes week 2 BSCI - 10002 - 002

Katelyn Rinella

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About this Document

All of week 2
Walter R Hoeh (P)
Class Notes
life on planet earth
25 ?





Popular in Biological Sciences

This 3 page Class Notes was uploaded by Katelyn Rinella on Tuesday January 26, 2016. The Class Notes belongs to BSCI - 10002 - 002 at Kent State University taught by Walter R Hoeh (P) in Fall 2015. Since its upload, it has received 49 views. For similar materials see LIFE ON PLANET EARTH in Biological Sciences at Kent State University.


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Date Created: 01/26/16
LOPE Notes Week 2  Community’s fit into an ecosystem, ecosystem consist on living an Abiotic things  Abiotic- non-living things (water, soil) Structure of DNA: nucleotides  Nucleotides have one of four bases  Adenine  Thymine  Guanine  Cytosine *Each organism continuously interacts with its environment*  The dynamics of ecosystem depend on two main processes - Flow of energy - Recycling of chemical nutrients  Within ecosystems *Energy is never created or destroyed * *Nutrients cycle*  The cell is the level at which the properties of life emerge  All life on earth uses DNA  Cells are the lowest level of structure that can do all of the activities required for life. *All organisms are composed of cells* *viruses are not alive, they cannot reproduce, viruses don’t have cells*  The prokaryotic cells- (bacteria, smaller, don’t have nuclei)  Eukaryotic cells- most body mass is made of this, 10 times larger than prokaryotic cells most of the time. *Mature Red blood cells don’t have a nucleus* *Viruses use RNA or DNA*  All cells use DNA as the chemical material of genes  Genes- the units of inheritance that transmit information from parents to offspring *Genetic engineering has transformed the pharmaceutical industry and extended lives.*  The entire “book” of genetic instructions that an organism inherits= Genome  Taxonomy= the branch of biology that names and classifies species (Formalizes hierarchal order)  Three domains of life - Bacteria - Archaea - Eukarya- kingdom plantae, fungi, Animalia  Life evolves  evolutionary view came into focus in 1859 when Charles Darwin published “ On the origin of species by means of natural selection” (not completely true, evolution was being talked about before Darwin)  evolution- when things change  natural selection- causes things to change LOPE Notes Week 2/Part B What is science?  A method to answer questions about the natural world  Science does not prove things  It is a way of knowing  Process of using observations and experiments to draw evidence-based conclusions How do scientists draw conclusions?  Use best evidence available  Summary of the scientific method: 1. Initial observations of a phenomenon 2. Study


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